Question

6 m
3 A ready mixed concrete tanker is to be constructed
4 m
from steel as a cylinder with conical ends.
a Calculate the total volume of concrete that can
1.8 m
be held in the tanker.
b How long would the tanker be if the ends
were hemispheres instead of cones, but the
cylindrical section remained the same?
c How much more or less concrete would fit in the tanker if the ends were hemispheres instead
of cones?
d Show that the surface area of the tanker:
1 with conical ends is about 30 m2
li with hemispherical ends is about 33 m².
e Overall, which do you think is the better design for the tanker? Give reasons for your answer.​

Answer 1

Answer:

Step-by-step explanation:

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Answer 2

thanks for point.......